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alisha [4.7K]
3 years ago
6

No

Mathematics
1 answer:
zhuklara [117]3 years ago
5 0
It’s B 20 students I am sure that’s correct
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Cheryl is buying lace for her dance costume. One foot of lace costs 3 dollars. How much does each amount cost?
NemiM [27]

Answer:

3/4 of a foot will cost $2.25.

Step-by-step explanation:

This question is solved by rule of three, due to proportions.

One foot of lace costs 3 dollars. How much is 3/4 of a foot going to cost?

1 foot - 3 dollars

3/4 foot - x dollars

x = 3 \times \frac{3}{4} = \frac{9}{4} = 2.25

So

3/4 of a foot will cost $2.25.

7 0
2 years ago
Please EXPLAIN
11111nata11111 [884]

Answer:

<u>The correct answer is 58 1/2 feet. See below to understand the difference of both methods.</u>

Step-by-step explanation:

1. Let's review the information provided to us for solving the question using both methods:

Area of each student = 4 1/2 square feet

Number of students = 13

2. Let's use the first method to solve the question:

4 1/2 = 9/2 (Improper fraction because the numerator, 9 is bigger than the denominator, 2)

9/2 * 13 = 117/2

<u>117/2 = 58 1/2 square feet</u>

3. Let's use the second method to solve the question:

4 1/2 = 4 + 1/2 (Using addition to rewrite the fraction)

(4 + 1/2) * 13 = (4 * 13) + (1/2 * 13) (Distributive property of the multiplication)

(4 * 13) + (1/2 * 13) = 52 + 13/2 = 52 + 6 1/2

<u>52 + 6 1/2 = 58 1/2 square feet</u>

5 0
3 years ago
Kim and Jay leave at the same time to travel 25 miles to the beach.Kim drives 9 miles in 12 minutes.Jay drives 10 miles in 15 mi
kow [346]
Jay will arrive before​ kim
4 0
3 years ago
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Evaluate the expression: 81 / 9 + (5 with the exponet of 2- 6.7) - 12
Nataliya [291]
2.99948138 is the answer ur welcome
3 0
3 years ago
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What’s the answer for these following questions
guajiro [1.7K]

You’ll have to use pythagoras theorem for this question

7 0
3 years ago
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